Model: LH10205-4

Extended Washer Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

0.438 inches

Counterbore Diameter

0.250 inches nut and 0.280 inches nut

Counterbore Diameter

0.250 inches and 0.280 inches nut

Overall Height

Between 0.340 inches and 0.355 inches

Nut Style

Double hexagon

Washer Thickness

0.065 inches

Nut Counterbore Depth

0.050 inches nut

Width Across Flats

Between 0.305 inches and 0.313 inches

Tempurature Rating

900.0 degrees fahrenheit

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Hardness Rating

48.0 rockwell c

Thread Size

0.250 inches

Part Name Assigned By Controlling Agency

Navy special project

Material

Iron alloy 660

Material Specification

Ams 5737 assn standard single material response

Surface Treatment

Silver threads

Surface Treatment

Passivate except threads

NSN

5310-00-500-3525

Part Number

LH10205-4

Description

Nut,self-locking,extended Washer

CAGE

019L2

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part LH10205-4 NSN 5310-00-500-3525

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29729

FIIG:

A021A0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7318160000
SITC: 69421
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Nuts of iron or steel